function toLower(obj){obj.value=obj.value.toLowerCase()}function toUpper(obj){obj.value=obj.value.toUpperCase()}function trim(inputString){if(typeof inputString!="string"){return inputString}var retValue=inputString;var ch=retValue.substring(0,1);while(ch==" "){retValue=retValue.substring(1,retValue.length);ch=retValue.substring(0,1)}ch=retValue.substring(retValue.length-1,retValue.length);while(ch==" "){retValue=retValue.substring(0,retValue.length-1);ch=retValue.substring(retValue.length-1,retValue.length)}while(retValue.indexOf("  ")!=-1){retValue=retValue.substring(0,retValue.indexOf("  "))+retValue.substring(retValue.indexOf("  ")+1,retValue.length)}return retValue}function IsValidoStringUser(checkStr){var checkOK="abcdefghijklmnopqrstuvwxyz_@.0123456789";for(i=0;i<checkStr.length;i++){ch=checkStr.charAt(i);for(j=0;j<checkOK.length;j++){if(ch==checkOK.charAt(j)){break}}if(j==checkOK.length){return false;break}}return true}function IsValidoStringAlias(checkStr){var checkOK="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghi jklmnopqrstuvwxyz0123456789";
for(i=0;i<checkStr.length;i++){ch=checkStr.charAt(i);for(j=0;j<checkOK.length;j++){if(ch==checkOK.charAt(j)){break}}if(j==checkOK.length){return false;break}}return true}function IsValidoString(checkStr){var checkOK="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopñqrstuvwxyz@?!¿¡-() 0123456789.,ÑÁÉÍÓÚáéíóú";for(i=0;i<checkStr.length;i++){ch=checkStr.charAt(i);for(j=0;j<checkOK.length;j++){if(ch==checkOK.charAt(j)){break}}if(j==checkOK.length){return false;break}}return true}function IsValidoNum(checkStr){var checkOK="1234567890,";for(i=0;i<checkStr.length;i++){ch=checkStr.charAt(i);for(j=0;j<checkOK.length;j++){if(ch==checkOK.charAt(j)){break}}if(j==checkOK.length){return false;break}}return true}function IsValidoStringPwd(checkStr){var checkOK="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@%$#!&";for(i=0;i<checkStr.length;i++){ch=checkStr.charAt(i);for(j=0;j<checkOK.length;j++){if(ch==checkOK.charAt(j)){break}}if(j==checkOK.length){return false;break}}return true}function emailCheck(emailStr){var s=emailStr;
var filter=/^[A-Za-z][A-Za-z0-9_.]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;if(s.length==0){return true}if(filter.test(s)){return true}else{alert("Ingrese una dirección de correo válida")}return false};